名校
1 . 过点
且与椭圆
有相同焦点的椭圆方程是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5a2985a1aadcd572f2a41c6c6649961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795b28d4816617d5f344dce62d7a533.png)
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解题方法
2 . 已知椭圆
和双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf1bce17440e83c1b735d2954010a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
有相同的焦点
,
,点
是
和
的一个交点.若点
满足
是正三角形且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/654e60a0749ca2875a6aad49c3a0ee42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf1bce17440e83c1b735d2954010a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f311053d11884b1a21d5f9b5724996c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6380c54a58ed53ebe8977402b42c960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b511bf6ea77c0489bdc63a1174be0400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
您最近一年使用:0次
2023-01-03更新
|
718次组卷
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3卷引用:北京市2023届高三“极光杯”跨年线上测试数学试题
名校
3 . 已知双曲线
的一条渐近线的倾斜角为60°,且与椭圆
有相等焦距,则C的方程为_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8cd4b14645459c76f8cf7765ff8dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee11f77b6388c281275f8b346fc6251.png)
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4 . 椭圆
的焦距是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
您最近一年使用:0次
2018-07-07更新
|
597次组卷
|
5卷引用:北京市师达中学2022-2023学年高二上学期12月阶段性练习(月考)数学试题